Document insufficient VPC errors in the Triage Guide

Description of problem:

Previous summary: Installation of RHODS 1.1.1-22 failed in OSD cluster (using install script): jupyterhub and traefik pods not Running

After installing rhods 1.1.1-21  in a fresh OSD cluster using rhods-smoke, some important pods are not in Running status:

Prerequisites (if any, like setup, operators/versions):

Steps to Reproduce

Run rhods-smoke pipeline  following this steps and use this parameters

Reproducibility (Always/Intermittent/Only Once):

We have reproduced  1 time in a OSD cluster and 3 times in one existing PSI cluster (modh-qe-7). On the contrary, installation in other OSD clusters went well and didn't face this issue.

jenkins job of the failing OSD installation:  https://opendatascience-jenkins-csb-rhods.apps.ocp4.prod.psi.redhat.com/job/rhods-smoke/201/console

Build Details: 1.1.1-21